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Propleopus

From Wikipedia, the free encyclopedia

Propleopus
Temporal range: 4.3–0.055 Ma
Pliocene - Pleistocene
Diagram of the holotype of P. oscillans
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Marsupialia
Order: Diprotodontia
Family: Hypsiprymnodontidae
Genus: Propleopus
Longman, 1924[1]
Type species
Triclis oscillans
De Vis, 1888[3]
Species[2]
  • P. oscillans (De Vis, 1888)
  • P. chillagoensis Archer, Bartholomai & Marshall, 1978
  • P. wellingtonensis Archer & Flannery, 1985

Propleopus is an extinct genus of marsupials. The genus contains three species: P. chillagoensis from the Plio-Pleistocene, and P. oscillans and P. wellingtonensis from the Pleistocene.[4]

Discovery and naming

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The type species Propleopus oscillans was first named under the genus Triclis by Charles Walter De Vis in 1888.[3] Because the German entomologist Hermann Loew had already named the genus Triclis for a robber fly in 1851, Albert Heber Longman named a replacement name Propleopus in 1924, combining the prefix pró (πρό, 'before') with pleopus, the latter in reference to the junior synonym of Hypsiprymnodon moschatus: Pleopus nudicaudatus named by Richard Owen in 1877.[1] In 1978 and 1985, Archer and colleagues named two more species, P. chillagoensis and P. wellingtonensis, and provided a taxonomic revision of the genus.[2]

Description

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Speculative life restoration

In contrast to most other kangaroos, and similar to their small extant relative, the musky rat-kangaroo, they were probably omnivorous and quadrupedal.[5] Propleopus is estimated to have weighed around 35.5–47.1 kilograms (78–104 lb).[6]

References

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  1. ^ a b Longman, Heber A. (1924). "Some Queensland fossil vertebrates". Memoirs of the Queensland Museum. 8: 16–28.
  2. ^ a b Archer, M.; Flannery, T. (1985). "Revision of the Extinct Gigantic Rat Kangaroos (Potoroidae: Marsupialia), with Description of a New Miocene Genus and Species and a New Pleistocene Species of Propleopus". Journal of Paleontology. 59 (6): 1331–1349. ISSN 0022-3360. JSTOR 1304948.
  3. ^ a b De Vis, C.W. (1888). "On an extinct genus of the marsupials allied to Hypsiprymnodon". Proceedings of the Linnean Society of New South Wales. 13. Linnean Society of New South Wales.: 5–8.
  4. ^ Wroe, S. (1996). "An Investigation of Phylogeny in the Giant Extinct Rat Kangaroo Ekaltadeta (Propleopinae, Potoroidae, Marsupialia)". Journal of Paleontology. 70 (4): 681–690. Bibcode:1996JPal...70..681W. doi:10.1017/S0022336000023635. ISSN 0022-3360. JSTOR 1306529. S2CID 86211685.
  5. ^ Ride, W.D.L.; Pridmore, P.A.; Barwick, R.E.; Wells, R.T.; Heady, R.D. (1997). "Towards a Biology of Propleopus oscillans (Marsupialia: Propleopinae, Hypsiprymnodontidae)". Proceedings of the Linnean Society of New South Wales. 117: 243–326.
  6. ^ Wroe, S.; Argot, C.; Dickman, C (2004). "On the rarity of big fierce carnivores and primacy of isolation and area: tracking large mammalian carnivore diversity on two isolated continents". Proceedings of the Royal Society B: Biological Sciences. 271 (1544): 1203–1211. doi:10.1098/rspb.2004.2694.